Upper does not include Bolt/carrier charging handle.
16" Light weight barrel (no markings on the barrel)
I do not know if barrel is chrome lined.
A2 upper receiver ("A" is cast into the receiver, However I do not know who the Manufacturer is.)
Small front pivot pin
IT is in excellent condition and ready to drop on your lower.
Pics on request.
$240.00 plus $10.00 shp.